This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A243132 #7 Sep 08 2022 08:46:08
%S A243132 -1,1,1351,19601,119071,470449,1431431,3650401,8193151,16692641,
%T A243132 31521799,55989361,94558751,153090001,239104711,362074049,533729791,
%U A243132 768398401,1083358151,1499219281,2040327199,2735188721,3616921351,4723725601,6099380351,7793761249
%N A243132 32*n^6 - 48*n^4 + 18*n^2 - 1.
%C A243132 Chebyshev polynomial of the first kind T(6,n).
%H A243132 Vincenzo Librandi, <a href="/A243132/b243132.txt">Table of n, a(n) for n = 0..1000</a>
%F A243132 G.f.: (-1 + 8*x + 1323*x^2 + 10200*x^3 + 10165*x^4 + 1344*x^5 + x^6)/(1 - x)^7.
%F A243132 a(n) = (2*n^2 - 1)*(16*n^4 - 16*n^2 + 1).
%t A243132 Table[ChebyshevT[6, n], {n, 0, 40}] (* or *) Table[32 n^6 - 48 n^4 + 18 n^2 - 1, {n, 0, 20}]
%o A243132 (Magma) [32*n^6-48*n^4+18*n^2-1: n in [0..40]];
%Y A243132 Cf. A056220, A144129, A144130.
%K A243132 sign,easy
%O A243132 0,3
%A A243132 _Vincenzo Librandi_, May 31 2014